Grade 3 Computer Science Worksheets

Learning Objectives

• Identify common flowchart shapes and explain how arrows show a process
• Use decision steps to describe choices in a simple algorithm
• Interpret simple diagrams that show directions or repeated actions using basic vocabulary

Learning Objectives

• Explain how flowcharts use shapes and arrows to show the steps of a process
• Identify the meanings of flowchart parts such as arrows and decision steps
• Read simple visual algorithms and predict what happens next+ Show more

Learning Objectives

• Use precise step words to write code directions in a correct sequence.
• Identify how unclear instructions can cause mistakes in a computer program.
• Match coding terms to their meanings and use them in explanations.

Learning Objectives

• Define and use the terms decision, choice, condition, and branch when discussing decision trees.
• Read a simple decision tree and follow the correct path to reach an outcome.
• Explain how different yes/no conditions lead to different results in a decision tree.

Learning Objectives

• Identify the rule in numeric, visual, and action patterns
• Use a pattern rule to predict what comes next in a sequence
• Explain how repeating steps help make accurate predictions+ Show more

Learning Objectives

• Put a set of actions in the correct order to complete a multi-step process.
• Identify what happens first, next, and last in a given set of steps.
• Choose the correct sequence when solving a simple problem.

Learning Objectives

• Explain how taking breaks supports focus and learning.
• Identify healthy technology routines and describe what a balanced screen time habit looks like.
• Compare healthy and unhealthy technology choices in everyday situations.

Learning Objectives

• Identify the first, next, and last steps in a multi-step process
• Use sequencing vocabulary (sequence, step, order, process) to explain problem-solving
• Choose the correct order of actions to make instructions work

Learning Objectives

• Define the terms safe, responsible, privacy, and data and use them in simple sentences.
• Identify safe choices for sharing information when using smart technology.
• Explain how to check information carefully before believing or sharing it.+ Show more

Learning Objectives

• Identify how tone and word choice affect how a message is received online.
• Choose examples of respectful comments during online communication.
• Use clear, kind language when writing messages for games and classroom platforms.+ Show more

Learning Objectives

• Use respectful word choices and a positive tone when messaging online or in class platforms
• Explain how timing and clarity affect how a message is received
• Identify examples of helpful, rude, and confusing online comments

Learning Objectives

• Define key vocabulary words related to safe searching, including search engine, result, safe, and trustworthy
• Identify strategies for choosing age-appropriate and trustworthy search results
• Explain when and why to ask a trusted adult for help while searching

Learning Objectives

• Explain what a digital footprint is and how online actions can leave traces over time
• Identify examples of online activity that can affect a digital footprint (posts, searches, comments, and shared images)
• Use responsible choice-making to build a positive and safe online presence

Learning Objectives

• Identify a trend by describing how values change over time or across categories in a graph or table
• Use trend words like increase and decrease to explain what happens in data
• Match data patterns to correct trend descriptions+ Show more

Learning Objectives

• Define the terms input, output, and response using simple program examples.
• Identify what counts as an input and what counts as an output in a short scenario.
• Use the words input, output, program, and response to complete sentences about how programs work.+ Show more

Learning Objectives

• Define decomposition as breaking a big problem into smaller steps or subproblems
• Identify steps and subproblems in a planning task and match them to a correct solution
• Use the idea of steps to describe how a solution can be built in parts+ Show more

Learning Objectives

• Define survey, data, collect, and response and use the words in sentences.
• Identify the best way to collect information using a simple classroom survey.
• Use collected survey data to choose, match, and explain correct ideas about preferences and classroom information.+ Show more

Learning Objectives

• Identify pattern, rule, and predict in numeric, visual, and action examples.
• Explain how a pattern rule helps decide what comes next.
• Use vocabulary words (pattern, rule, predict, repeat) to describe pattern thinking.+ Show more

Learning Objectives

• Define the terms recognize, pattern, response, and technology in the context of smart tools.
• Identify how a device uses patterns in inputs (sounds, pictures, numbers, or words) to choose a response.
• Use key vocabulary to complete a passage about how smart tools work.

Learning Objectives

• Define the word trend and explain how trends show change over time or across categories
• Identify increase and decrease in data shown on a graph or table
• Use trend evidence to make simple predictions and decisions

Learning Objectives

• Explain what a password is and why it helps protect an account
• Identify features of strong passwords (mix of letters, numbers, and symbols; length; not easy to guess)
• Compare weak and strong passwords and choose better password habits

Learning Objectives

• Identify whether one data set has a greater, less, or the same amount as another data set.
• Use compare and data set vocabulary to describe differences and similarities in survey results.
• Select correct answers when comparing totals shown in charts and statements.+ Show more

Learning Objectives

• Identify the parts of a table: rows and columns
• Organize information into a table to make it easier to read
• Explain how organized data can help find patterns and relationships+ Show more

Learning Objectives

• Explain what a loop does in a program.
• Identify how repeating an action can create a pattern.
• Complete sentences and code-like descriptions using loop vocabulary.+ Show more

Learning Objectives

• Define digital footprint and explain how online activity can leave traces over time
• Identify examples of online activity that contribute to a digital footprint
• Describe how responsible choices can create a positive online presence+ Show more

Learning Objectives

• Identify key parts of bar graphs and pictographs, such as categories, quantities, and keys.
• Use the information in a bar graph or pictograph to answer questions about quantities and comparisons.
• Explain how bar heights and pictograph picture values show relationships between categories.

Learning Objectives

• Identify the key parts of a bar graph and a pictograph, including categories and quantities
• Read values from a bar graph and a pictograph to compare data
• Explain how pictographs use symbols to represent quantities

Learning Objectives

• Identify safe classroom routines for using shared devices
• Use vocabulary terms correctly when describing device care habits
• Explain why logging out and keeping information private are important

Learning Objectives

• Explain how strong passwords help protect an account and device.
• Compare weak and strong passwords using clues like length, variety, and guessability.
• Identify good password habits, such as not sharing passwords and using unique passwords.

Learning Objectives

• Define debug, bug, error, and fix in the context of coding
• Identify common code problems such as missing commands, repeated code, or wrong order
• Choose the best correction to make a short program sequence work

Learning Objectives

• Differentiate between private information and public information.
• Identify examples of personal information that should stay protected online.
• Use the vocabulary words private, public, personal information, and secure to explain safe sharing choices.

Learning Objectives

• Define human intelligence and machine intelligence using age-appropriate vocabulary.
• Compare how people and machines solve problems using judgment versus programmed rules.
• Identify examples of tasks that are better suited to humans or to computers.+ Show more

Learning Objectives

• Explain how safe search habits help find age-appropriate information
• Identify trustworthy clues and risky links when using a search engine
• Choose safer website options for school-appropriate research+ Show more

Learning Objectives

• Define artificial intelligence as technology that uses information to make decisions or complete tasks.
• Identify how AI finds patterns to help with recognition and recommendations.
• Describe at least three everyday examples of AI, such as speech tools, image recognition, or recommendation systems.

Learning Objectives

• Define the terms variable and value and explain how they relate to stored information.
• Identify how a program can change values in variables while it runs.
• Use variables to describe information such as names, numbers, and scores in a simple scenario.

Learning Objectives

• Explain what survey data is and how it is collected by asking questions
• Use survey vocabulary (survey, data, collect, response) correctly in simple sentences
• Identify the best way to ask questions for a classroom survey and record answers

Learning Objectives

• Identify common warning signs of online scams, including urgent language, suspicious links, and requests for personal details
• Choose safer actions when faced with suspicious messages or pop-ups
• Use key vocabulary to explain why a digital message might be a scam

Learning Objectives

• Use AI suggestions to compare options before making a choice.
• Explain how AI can organize information, but humans still make the final decision.
• Use key vocabulary words (suggest, compare, choice, decision, and related terms) accurately in context.

Learning Objectives

• Identify helpful everyday uses of AI in learning, transportation, communication, and entertainment.
• Use key vocabulary (helpful, support, assist, AI) to describe how AI helps people.
• Recognize that AI can suggest options, not decide by itself, and evaluate uses responsibly.

Learning Objectives

• Identify rows and columns in a data table.
• Use table structure to organize information into categories.
• Explain how organized data helps find patterns or relationships.+ Show more

Learning Objectives

• Define the vocabulary terms pattern, repeat, sequence, and program
• Identify programming patterns in short visual block actions and explain the rule
• Complete and interpret code ideas that use repeating steps in order+ Show more

Learning Objectives

• Explain how balance, routines, and screen-time breaks support learning and focus.
• Identify healthy versus unhealthy technology choices in everyday situations.
• Use key vocabulary words (balance, habit, screen time, routine) correctly.

Learning Objectives

• Use safe routines when sharing classroom devices, including logging out when finished
• Explain how to keep personal information private on shared devices
• Demonstrate responsibility and care when using technology equipment

Learning Objectives

• Compare two data sets by describing which has greater, less, or the same amount
• Use data vocabulary words (compare, greater, less, and data set) correctly when explaining results
• Answer questions about greatest, least, and equal amounts using classroom and survey data